Aluminum heatsink 1.RoHS,ISO9001,ISO14000 2.Casting ,extrusion,CNC(milling),anodized 3.Material:A16061,A16063 Aluminum heatsink1) ... and so on.5)Machining procedure:die casting ,make mould,extrusion ,CNC (milling finish),cutting,anodized6) Factory, Employee, Capacity1 ... Machine & CapacityExtrusion line 18 set of 500-3000tons imported extrusion lines, annual output capacity is more than 30,000 tons.b ...